UNALA SARAH 1967 http://www.hpc.ncep.noaa.gov/tropical/rain/nographic.gif DORA 1999 http://www.hpc.ncep.noaa.gov/tropical/rain/nographic.gif COSME 2007 http://www.hpc.ncep.noaa.gov/tropical/rain/nographic.gif IOKE 2006 http://www.hpc.ncep.noaa.gov/tropical/rain/nographic.gif